4.
if the offspring of a dihybrid cross have a 9: 3: 3: 1 phenotypic ratio, what must be true of the parents’ genotypes?

both parents are heterozygous for only one trait.

both parents express the dominant trait.

both parents express the recessive trait.

both parents are heterozygous for both traits.

is in the form atp or adenosine triphosphate

i don't know. if i were you, i would search it up online : d

1: most common garden plants prefer loam — soils with a balance of different-sized mineral particles (approximately 40% sand, 40% silt, and 20% clay) with ample organic matter and pore space. however, some plants grow better in sandy soils, while others are well-adapted to clay soils.

2: available water capacity is the maximum amount of plant available water a soil can provide. it is an indicator of a soil's ability to retain water and make it sufficiently available for plant use. available water capacity is the water held in soil between its field capacity and permanent wilting point.

3: it is the same for all living things (plants and animals). it also includes very tiny organisms that our eyes cannot see. they are known as microorganisms, and include viruses, bacteria and fungi.

i need